Finding the Third Proportional to 257,557.50 and 559,437.75
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Solution
The third proportional to 257,557.50 and 559,437.75 is: 1,215,148.45
Step by Step Solution
- Step 1: Write the proportion equation
257,557.50 : 559,437.75 = 559,437.75 : x - Step 2: Convert to fraction form
257,557.50/559,437.75 = 559,437.75/x - Step 3: Cross multiply
257,557.50x = 559,437.75 × 559,437.75 - Step 4: Simplify right side
257,557.50x = 312,970,596,125.06 - Step 5: Solve for x
x = 312,970,596,125.06/257,557.50 - Step 6: Final answer
x = 1,215,148.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.